| Acronym | Definition |
|---|
| LDL | Low Density Lipoprotein (so-called 'bad' cholesterol) |
| LDL | Lower Detection Limit |
| LDL | Linux Distribution List |
| LDL | Lighting Design Lab (Seattle, WA) |
| LDL | Linux Disk Layout |
| LDL | Load Low |
| LDL | Load Log |
| LDL | Language Description Language |
| LDL | Loudness Discomfort Level (audiology) |
| LDL | Loutit District Library (Grand Haven, MI) |
| LDL | Low Density Level (asset supply management) |
| LDL | Little Dog Laughed (play) |
| LDL | Low Density Protein |
| LDL | Let's Discuss Live (business slang) |
| LDL | Lower Deck Loader (aircraft cargo) |
| LDL | Litho Density Log (Oil Industry) |
| LDL | Limiting Danger Line (various armed forces) |
| LDL | Lower Deviation Level |
| LDL | Lightwave Data Links (AT&T) |